Easy high score:
Start a drag race that heavily favors your car.

Unlock all game modes:
Enter VRSIX as a name on the high score screen, and save the game settings. Cop Chase and other game modes will now be selectable.

All tracks:
Enter NTHREE and MTHREE as names in time trial mode. Press Triangle to go back and enter more codes. Alternatively, enter NUTS as a name at the high score screen.

All cars:
Enter NOLIFE as names on the high score screen. All cars, including the Pitbull Special, Chris's Beast and The All Mighty Maui bonus cars will now be selectable. Alternatively, enter RONE as a name in time trial mode. Press Triangle to go back and enter more codes.

Bonus car:
Enter SPUNK as a name on the high score screen.

Super arcade mode:
Enter SPURT as a name in time trial mode. Press Triangle to go back and enter more codes.

Bonus FMV music sequence:
Enter AUXYRAY as a name on the high score screen. Then, select the "Fear Factory Video" option at the main menu.

Quarter mile race:
Enter FIESTA as a name on the high score screen.

Classic Silverstone track:
Enter QUALITY as a name at the high score screen.

No CPU cars during cup race:
Complete the first race of any tournament except for Ultimate. Save the game and reset the PlayStation. Reload the previous race, select "Full Race" and "Time Trials". Select any car and complete the time trial race. Quit time trial mode and select "Continue Race" without loading the previously saved game. Select "Next Cup Race" to start with the car used during the time trials with no CPU cars.

Raining question marks:
Select the Washington D.C. 2 track (the reversed version of the Washington DC track) and begin a race. Turn around or drive in reverse past the starting line to cause question marks to begin raining downward.